/*
 * Copyright 2010 Christian Schindelhauer, Peter Thiemann, Faisal Aslam, Luminous Fennell and Gidon Ernst.
 * All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * This code is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3
 * only, as published by the Free Software Foundation.
 * 
 * This code is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License version 3 for more details (a copy is
 * included in the LICENSE file that accompanied this code).
 * 
 * You should have received a copy of the GNU General Public License
 * version 3 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 * 
 * Please contact Faisal Aslam 
 * (aslam AT informatik.uni-freibug.de or studentresearcher AT gmail.com)
 * if you need additional information or have any questions.
 */
package takatuka.offlineGC.DFA.logic.factory;

import takatuka.classreader.dataObjs.*;
import takatuka.offlineGC.DFA.dataObjs.attribute.GCInstruction;
import takatuka.offlineGC.DFA.dataObjs.functionState.*;
import takatuka.verifier.dataObjs.attribute.VerificationInstruction;

/**
 * 
 * Description:
 * <p>
 * </p> 
 * @author Faisal Aslam
 * @version 1.0
 */
public class NewInstrKey extends FunctionKey {

    private VerificationInstruction instr = null;

    /**
     * 
     * @param method
     * @param instrId
     */
    public NewInstrKey(MethodInfo method, VerificationInstruction instr) {
        super(method);
        this.instr = instr;
    }

    public NewInstrKey(VerificationInstruction instr) {
        this(instr.getMethod(), instr);
    }

    /**
     * 
     * @return
     */
    public long getInstrId() {
        return instr.getInstructionId();
    }

    /**
     *
     * @return
     */
    public VerificationInstruction getInstr() {
        return instr;
    }
    
    @Override
    public boolean equals(Object obj) {
        if (obj == null || !(obj instanceof NewInstrKey)) {
            return false;
        }
        NewInstrKey instrKey = (NewInstrKey) obj;
        if (super.equals(obj) &&
                instrKey.getInstrId() == getInstrId()) {
            return true;
        }
        return false;
    }

    @Override
    public int hashCode() {
        int hash = 7;
        long instrId = getInstrId();
        hash = 41 * hash + (int) (instrId ^ (instrId >>> 32));
        hash = 41 * hash + super.hashCode();
        return hash;
    }

    @Override
    public String toString() {
        return super.toString() + ", " + getInstrId();
    }
}


